From CNN: Who Gets the Last Drop?
https://www.cnn.com/videos/title-2601003?iid=related-embed_streaming-now

” A megadrought has drained Lake Mead by 70%, exposing sunken boats and a bathtub ring now nearly 19 stories tall. Bill Weir travels to the West’s largest reservoir as the states face a reckoning over who gives up their share first.”